| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Second Skin |
April 24, 2015
Syndication
|
30 | |
| S04E02 | The 1952 Wave |
April 24, 2015
Syndication
|
30 | |
| S04E03 | The Freedom of Information Act |
May 1, 2015
Syndication
|
30 | |
| S04E04 | The Space Force |
May 1, 2015
Syndication
|
30 | |
| S04E05 | The Shoot Down Order |
May 8, 2015
Syndication
|
30 | |
| S04E06 | Seeing Is Believing |
May 8, 2015
Syndication
|
30 | |
| S04E07 | Inside UFOs |
May 15, 2015
Syndication
|
30 | |
| S04E08 | Unwelcome Visitors |
May 22, 2015
Syndication
|
30 | |
| S04E09 | Alien Journeys |
May 29, 2015
Syndication
|
30 | |
| S04E10 | Finding Aliens |
June 5, 2015
Syndication
|
30 | |
| S04E11 | UFO Photos |
August 1, 2015
Syndication
|
30 | |
| S04E12 | UFOs From Earth |
August 1, 2015
Syndication
|
30 | |
| S04E13 | Summer of Saucers |
August 1, 2015
Syndication
|
30 | |
| S04E14 | Police Sightings |
August 1, 2015
Syndication
|
30 | |
| S04E15 | Space Shuttle Encounters |
August 1, 2015
Syndication
|
30 | |
| S04E16 | Mass Sightings |
September 1, 2015
Syndication
|
30 | |
| S04E17 | Mars, the Final Frontier |
September 1, 2015
Syndication
|
30 | |
| S04E18 | Alien Communications |
December 1, 2015
Syndication
|
30 | |
| S04E19 | Artificial Alien Intelligence |
September 1, 2015
Syndication
|
30 | |
| S04E20 |
First Contact
series finale
|
December 1, 2015
Syndication
|
30 |
No artwork of this type.
No artwork of this type.